Siemens 1PQ8, Operating Instructions & Installation Instructions

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3. Prepare the bearing journals:
– Lightly oil the inner ring seat.
– Grease the outer ring seat with solid lubricant such as the anti-fretting paste Altemp Q
NP 50.
4. Warm up the roller bearing.
5. Push the inner ring of the warmed up roller bearing onto the shaft. Avoid any blows that
might damage the bearing.
6. Make sure that the roller bearing is resting against the shaft shoulder or the second bearing.
Otherwise, axial vibrations may occur.
7. Fill the bearing to the top with the specified lubricating grease.
8. Warm up the grease slinger and push it onto the shaft.
9. Locate the locking ring in the shaft groove or attach the bearing using the shaft nut or a set
screw, depending on the particular version.
10.Support the rotor for the installation of bearing housing or end shield.
11.Grease the bearing locations (bearing shield/bearing cartridge) with solid lubricant such as
the anti-fretting paste Altemp Q NP 50.
12.Use a suitable sealant when assembling.
13.Install the bearing shield or bearing housing together with the bearing shield.
14.Install the outer bearing cover if one is being used.
15.Install the sealing elements:
If present: V ring (Page 108)
Labyrinth sealing ring (special design) (Page 110)
9.2.4.5 Install the V ring
Requirement
The roller bearing is already fitted. The V ring can be installed for the bearing seal.
Maintenance
9.2 Corrective Maintenance
SIMOTICS TN Series N-compact 1LH8
108
Operating Instructions 06/2017